s=input("Введите строку скобок: ")
s1=''
for char in s:
    if char=='(':
        s1+=char
    if char ==")":
        if len(s1)>0:
            if s1[len(s1)-1]=='(':
                s1=s1[:-1]
for char in s:
    if char=='[':
        s1+=char
    if char =="]":
        if len(s1)>0:
            if s1[len(s1)-1]=='[':
                s1=s1[:-1]
for char in s:
    if char=='{':
        s1+=char
    if char =="}":
        if len(s1)>0:
            if s1[len(s1)-1]=='{':
                s1=s1[:-1]
for char in s:
    if char=='<':
        s1+=char
    if char ==">":
        if len(s1)>0:
            if s1[len(s1)-1]=='<':
                s1=s1[:-1]
if len(s1)==0:
    print("True")
else:
    print('False')
        
